The PayPal-owned app Venmo has very quickly become easiest way to pay back your friends if you don't have cash. It's lightweight, simple, frictionless, and it always works. Unless you have any Middle Eastern friends.»10/15/14 6:07pm 10/15/14 6:07pm

I'm not gonna name names, but someone just mentioned paying for weed with a Square account. It'd be equally easy to use Paypal, Venmo, Bitcoin (RIP) or any of the myriad mobile payment systems that allow you to send money from your phone. »9/29/11 5:23pm 9/29/11 5:23pm

You don't have a Nexus S 4G, or Sprint or the Citi Mastercard required for Google Wallet. But that doesn't you mean you don't wanna live in the future, using your phone to pay for stuff. Here's how to do that right now, no matter what phone you've got. »9/20/11 2:00pm 9/20/11 2:00pm